Home / 103,657.52-155,641.80-59,334.32

Finding the Fourth Proportional to 103,657.52, 155,641.80 and 59,334.32

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Solution

The fourth proportional to 103,657.52, 155,641.80 and 59,334.32 is: 89,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,657.52 : 155,641.80 = 59,334.32 : x
  2. Step 2: Convert to fraction form
    103,657.52/155,641.80 = 59,334.32/x
  3. Step 3: Cross multiply
    103,657.52x = 155,641.80 × 59,334.32
  4. Step 4: Simplify right side
    103,657.52x = 9,234,900,366.58
  5. Step 5: Solve for x
    x = 9,234,900,366.58/103,657.52
  6. Step 6: Final answer
    x = 89,090.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.