Home / 85,904.19-118,545.56-47,663.59

Finding the Fourth Proportional to 85,904.19, 118,545.56 and 47,663.59

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Solution

The fourth proportional to 85,904.19, 118,545.56 and 47,663.59 is: 65,774.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,904.19 : 118,545.56 = 47,663.59 : x
  2. Step 2: Convert to fraction form
    85,904.19/118,545.56 = 47,663.59/x
  3. Step 3: Cross multiply
    85,904.19x = 118,545.56 × 47,663.59
  4. Step 4: Simplify right side
    85,904.19x = 5,650,306,968.16
  5. Step 5: Solve for x
    x = 5,650,306,968.16/85,904.19
  6. Step 6: Final answer
    x = 65,774.52

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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.