Home / 113,478.31-156,598.77-62,490.01

Finding the Fourth Proportional to 113,478.31, 156,598.77 and 62,490.01

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Solution

The fourth proportional to 113,478.31, 156,598.77 and 62,490.01 is: 86,235.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,478.31 : 156,598.77 = 62,490.01 : x
  2. Step 2: Convert to fraction form
    113,478.31/156,598.77 = 62,490.01/x
  3. Step 3: Cross multiply
    113,478.31x = 156,598.77 × 62,490.01
  4. Step 4: Simplify right side
    113,478.31x = 9,785,858,703.29
  5. Step 5: Solve for x
    x = 9,785,858,703.29/113,478.31
  6. Step 6: Final answer
    x = 86,235.50

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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.