Home / 97,070.08-133,981.67-75,554.86

Finding the Fourth Proportional to 97,070.08, 133,981.67 and 75,554.86

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Solution

The fourth proportional to 97,070.08, 133,981.67 and 75,554.86 is: 104,285.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,070.08 : 133,981.67 = 75,554.86 : x
  2. Step 2: Convert to fraction form
    97,070.08/133,981.67 = 75,554.86/x
  3. Step 3: Cross multiply
    97,070.08x = 133,981.67 × 75,554.86
  4. Step 4: Simplify right side
    97,070.08x = 10,122,966,319.42
  5. Step 5: Solve for x
    x = 10,122,966,319.42/97,070.08
  6. Step 6: Final answer
    x = 104,285.13

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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.