Home / 113,430.65-156,533.02-62,442.29

Finding the Fourth Proportional to 113,430.65, 156,533.02 and 62,442.29

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Solution

The fourth proportional to 113,430.65, 156,533.02 and 62,442.29 is: 86,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,430.65 : 156,533.02 = 62,442.29 : x
  2. Step 2: Convert to fraction form
    113,430.65/156,533.02 = 62,442.29/x
  3. Step 3: Cross multiply
    113,430.65x = 156,533.02 × 62,442.29
  4. Step 4: Simplify right side
    113,430.65x = 9,774,279,290.64
  5. Step 5: Solve for x
    x = 9,774,279,290.64/113,430.65
  6. Step 6: Final answer
    x = 86,169.65

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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.