Home / 124,582-171,927.90-70,871.92

Finding the Fourth Proportional to 124,582, 171,927.90 and 70,871.92

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Solution

The fourth proportional to 124,582, 171,927.90 and 70,871.92 is: 97,805.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,582 : 171,927.90 = 70,871.92 : x
  2. Step 2: Convert to fraction form
    124,582/171,927.90 = 70,871.92/x
  3. Step 3: Cross multiply
    124,582x = 171,927.90 × 70,871.92
  4. Step 4: Simplify right side
    124,582x = 12,184,860,374.57
  5. Step 5: Solve for x
    x = 12,184,860,374.57/124,582
  6. Step 6: Final answer
    x = 97,805.95

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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.