Home / 101,473.02-140,039.77-56,152.91

Finding the Fourth Proportional to 101,473.02, 140,039.77 and 56,152.91

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Solution

The fourth proportional to 101,473.02, 140,039.77 and 56,152.91 is: 77,494.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,473.02 : 140,039.77 = 56,152.91 : x
  2. Step 2: Convert to fraction form
    101,473.02/140,039.77 = 56,152.91/x
  3. Step 3: Cross multiply
    101,473.02x = 140,039.77 × 56,152.91
  4. Step 4: Simplify right side
    101,473.02x = 7,863,640,601.23
  5. Step 5: Solve for x
    x = 7,863,640,601.23/101,473.02
  6. Step 6: Final answer
    x = 77,494.89

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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.