Home / 115,925.10-173,887.65-89,681.10

Finding the Fourth Proportional to 115,925.10, 173,887.65 and 89,681.10

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Solution

The fourth proportional to 115,925.10, 173,887.65 and 89,681.10 is: 134,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,925.10 : 173,887.65 = 89,681.10 : x
  2. Step 2: Convert to fraction form
    115,925.10/173,887.65 = 89,681.10/x
  3. Step 3: Cross multiply
    115,925.10x = 173,887.65 × 89,681.10
  4. Step 4: Simplify right side
    115,925.10x = 15,594,435,728.42
  5. Step 5: Solve for x
    x = 15,594,435,728.42/115,925.10
  6. Step 6: Final answer
    x = 134,521.65

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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.