Home / 113,730.24-156,948.96-63,430.08

Finding the Fourth Proportional to 113,730.24, 156,948.96 and 63,430.08

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Solution

The fourth proportional to 113,730.24, 156,948.96 and 63,430.08 is: 87,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,730.24 : 156,948.96 = 63,430.08 : x
  2. Step 2: Convert to fraction form
    113,730.24/156,948.96 = 63,430.08/x
  3. Step 3: Cross multiply
    113,730.24x = 156,948.96 × 63,430.08
  4. Step 4: Simplify right side
    113,730.24x = 9,955,285,088.72
  5. Step 5: Solve for x
    x = 9,955,285,088.72/113,730.24
  6. Step 6: Final answer
    x = 87,534.20

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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.