Home / 97,815.47-134,985.91-57,530.93

Finding the Fourth Proportional to 97,815.47, 134,985.91 and 57,530.93

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Solution

The fourth proportional to 97,815.47, 134,985.91 and 57,530.93 is: 79,393.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,815.47 : 134,985.91 = 57,530.93 : x
  2. Step 2: Convert to fraction form
    97,815.47/134,985.91 = 57,530.93/x
  3. Step 3: Cross multiply
    97,815.47x = 134,985.91 × 57,530.93
  4. Step 4: Simplify right side
    97,815.47x = 7,765,864,939.20
  5. Step 5: Solve for x
    x = 7,765,864,939.20/97,815.47
  6. Step 6: Final answer
    x = 79,393.01

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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.