Home / 101,256.49-139,733.40-55,937.59

Finding the Fourth Proportional to 101,256.49, 139,733.40 and 55,937.59

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Solution

The fourth proportional to 101,256.49, 139,733.40 and 55,937.59 is: 77,193.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,256.49 : 139,733.40 = 55,937.59 : x
  2. Step 2: Convert to fraction form
    101,256.49/139,733.40 = 55,937.59/x
  3. Step 3: Cross multiply
    101,256.49x = 139,733.40 × 55,937.59
  4. Step 4: Simplify right side
    101,256.49x = 7,816,349,638.51
  5. Step 5: Solve for x
    x = 7,816,349,638.51/101,256.49
  6. Step 6: Final answer
    x = 77,193.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.