Home / 124,484.90-171,803.68-70,777.96

Finding the Fourth Proportional to 124,484.90, 171,803.68 and 70,777.96

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Solution

The fourth proportional to 124,484.90, 171,803.68 and 70,777.96 is: 97,681.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,484.90 : 171,803.68 = 70,777.96 : x
  2. Step 2: Convert to fraction form
    124,484.90/171,803.68 = 70,777.96/x
  3. Step 3: Cross multiply
    124,484.90x = 171,803.68 × 70,777.96
  4. Step 4: Simplify right side
    124,484.90x = 12,159,913,384.44
  5. Step 5: Solve for x
    x = 12,159,913,384.44/124,484.90
  6. Step 6: Final answer
    x = 97,681.84

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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.