Home / 97,603.17-134,647.68-57,316.20

Finding the Fourth Proportional to 97,603.17, 134,647.68 and 57,316.20

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Solution

The fourth proportional to 97,603.17, 134,647.68 and 57,316.20 is: 79,070.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,603.17 : 134,647.68 = 57,316.20 : x
  2. Step 2: Convert to fraction form
    97,603.17/134,647.68 = 57,316.20/x
  3. Step 3: Cross multiply
    97,603.17x = 134,647.68 × 57,316.20
  4. Step 4: Simplify right side
    97,603.17x = 7,717,493,356.42
  5. Step 5: Solve for x
    x = 7,717,493,356.42/97,603.17
  6. Step 6: Final answer
    x = 79,070.11

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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.