Home / 97,262.77-134,256.11-56,989.57

Finding the Fourth Proportional to 97,262.77, 134,256.11 and 56,989.57

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Solution

The fourth proportional to 97,262.77, 134,256.11 and 56,989.57 is: 78,665.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,262.77 : 134,256.11 = 56,989.57 : x
  2. Step 2: Convert to fraction form
    97,262.77/134,256.11 = 56,989.57/x
  3. Step 3: Cross multiply
    97,262.77x = 134,256.11 × 56,989.57
  4. Step 4: Simplify right side
    97,262.77x = 7,651,197,358.18
  5. Step 5: Solve for x
    x = 7,651,197,358.18/97,262.77
  6. Step 6: Final answer
    x = 78,665.22

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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.