Home / 92,777.09-128,032.38-52,489.98

Finding the Fourth Proportional to 92,777.09, 128,032.38 and 52,489.98

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Solution

The fourth proportional to 92,777.09, 128,032.38 and 52,489.98 is: 72,436.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,777.09 : 128,032.38 = 52,489.98 : x
  2. Step 2: Convert to fraction form
    92,777.09/128,032.38 = 52,489.98/x
  3. Step 3: Cross multiply
    92,777.09x = 128,032.38 × 52,489.98
  4. Step 4: Simplify right side
    92,777.09x = 6,720,417,065.55
  5. Step 5: Solve for x
    x = 6,720,417,065.55/92,777.09
  6. Step 6: Final answer
    x = 72,436.17

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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.