Home / 103,497.04-155,246.64-56,724.40

Finding the Fourth Proportional to 103,497.04, 155,246.64 and 56,724.40

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Solution

The fourth proportional to 103,497.04, 155,246.64 and 56,724.40 is: 85,087.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,497.04 : 155,246.64 = 56,724.40 : x
  2. Step 2: Convert to fraction form
    103,497.04/155,246.64 = 56,724.40/x
  3. Step 3: Cross multiply
    103,497.04x = 155,246.64 × 56,724.40
  4. Step 4: Simplify right side
    103,497.04x = 8,806,272,506.02
  5. Step 5: Solve for x
    x = 8,806,272,506.02/103,497.04
  6. Step 6: Final answer
    x = 85,087.19

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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.