Home / 97,447.71-134,483.24-68,776.55

Finding the Fourth Proportional to 97,447.71, 134,483.24 and 68,776.55

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Solution

The fourth proportional to 97,447.71, 134,483.24 and 68,776.55 is: 94,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,447.71 : 134,483.24 = 68,776.55 : x
  2. Step 2: Convert to fraction form
    97,447.71/134,483.24 = 68,776.55/x
  3. Step 3: Cross multiply
    97,447.71x = 134,483.24 × 68,776.55
  4. Step 4: Simplify right side
    97,447.71x = 9,249,292,779.55
  5. Step 5: Solve for x
    x = 9,249,292,779.55/97,447.71
  6. Step 6: Final answer
    x = 94,915.45

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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.