Home / 113,916.86-157,117.90-68,547.55

Finding the Fourth Proportional to 113,916.86, 157,117.90 and 68,547.55

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Solution

The fourth proportional to 113,916.86, 157,117.90 and 68,547.55 is: 94,543.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,916.86 : 157,117.90 = 68,547.55 : x
  2. Step 2: Convert to fraction form
    113,916.86/157,117.90 = 68,547.55/x
  3. Step 3: Cross multiply
    113,916.86x = 157,117.90 × 68,547.55
  4. Step 4: Simplify right side
    113,916.86x = 10,770,047,157.89
  5. Step 5: Solve for x
    x = 10,770,047,157.89/113,916.86
  6. Step 6: Final answer
    x = 94,543.04

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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.