Home / 112,877.84-155,777.64-62,575.76

Finding the Fourth Proportional to 112,877.84, 155,777.64 and 62,575.76

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Solution

The fourth proportional to 112,877.84, 155,777.64 and 62,575.76 is: 86,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,877.84 : 155,777.64 = 62,575.76 : x
  2. Step 2: Convert to fraction form
    112,877.84/155,777.64 = 62,575.76/x
  3. Step 3: Cross multiply
    112,877.84x = 155,777.64 × 62,575.76
  4. Step 4: Simplify right side
    112,877.84x = 9,747,904,214.01
  5. Step 5: Solve for x
    x = 9,747,904,214.01/112,877.84
  6. Step 6: Final answer
    x = 86,358.00

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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.