Home / 104,677.47-144,455.59-56,931.16

Finding the Fourth Proportional to 104,677.47, 144,455.59 and 56,931.16

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Solution

The fourth proportional to 104,677.47, 144,455.59 and 56,931.16 is: 78,565.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,677.47 : 144,455.59 = 56,931.16 : x
  2. Step 2: Convert to fraction form
    104,677.47/144,455.59 = 56,931.16/x
  3. Step 3: Cross multiply
    104,677.47x = 144,455.59 × 56,931.16
  4. Step 4: Simplify right side
    104,677.47x = 8,224,024,022.53
  5. Step 5: Solve for x
    x = 8,224,024,022.53/104,677.47
  6. Step 6: Final answer
    x = 78,565.37

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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.