Home / 103,555.68-155,084.37-59,047.50

Finding the Fourth Proportional to 103,555.68, 155,084.37 and 59,047.50

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Solution

The fourth proportional to 103,555.68, 155,084.37 and 59,047.50 is: 88,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,555.68 : 155,084.37 = 59,047.50 : x
  2. Step 2: Convert to fraction form
    103,555.68/155,084.37 = 59,047.50/x
  3. Step 3: Cross multiply
    103,555.68x = 155,084.37 × 59,047.50
  4. Step 4: Simplify right side
    103,555.68x = 9,157,344,337.58
  5. Step 5: Solve for x
    x = 9,157,344,337.58/103,555.68
  6. Step 6: Final answer
    x = 88,429.18

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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.