Home / 124,593.39-171,931.01-70,875.20

Finding the Fourth Proportional to 124,593.39, 171,931.01 and 70,875.20

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Solution

The fourth proportional to 124,593.39, 171,931.01 and 70,875.20 is: 97,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,593.39 : 171,931.01 = 70,875.20 : x
  2. Step 2: Convert to fraction form
    124,593.39/171,931.01 = 70,875.20/x
  3. Step 3: Cross multiply
    124,593.39x = 171,931.01 × 70,875.20
  4. Step 4: Simplify right side
    124,593.39x = 12,185,644,795.40
  5. Step 5: Solve for x
    x = 12,185,644,795.40/124,593.39
  6. Step 6: Final answer
    x = 97,803.30

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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.