Home / 97,030.76-133,963.98-66,455.13

Finding the Fourth Proportional to 97,030.76, 133,963.98 and 66,455.13

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Solution

The fourth proportional to 97,030.76, 133,963.98 and 66,455.13 is: 91,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,030.76 : 133,963.98 = 66,455.13 : x
  2. Step 2: Convert to fraction form
    97,030.76/133,963.98 = 66,455.13/x
  3. Step 3: Cross multiply
    97,030.76x = 133,963.98 × 66,455.13
  4. Step 4: Simplify right side
    97,030.76x = 8,902,593,959.38
  5. Step 5: Solve for x
    x = 8,902,593,959.38/97,030.76
  6. Step 6: Final answer
    x = 91,750.22

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1.5x scale

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.