Home / 88,124.56-121,637.55-53,681.74

Finding the Fourth Proportional to 88,124.56, 121,637.55 and 53,681.74

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Solution

The fourth proportional to 88,124.56, 121,637.55 and 53,681.74 is: 74,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,124.56 : 121,637.55 = 53,681.74 : x
  2. Step 2: Convert to fraction form
    88,124.56/121,637.55 = 53,681.74/x
  3. Step 3: Cross multiply
    88,124.56x = 121,637.55 × 53,681.74
  4. Step 4: Simplify right side
    88,124.56x = 6,529,715,333.34
  5. Step 5: Solve for x
    x = 6,529,715,333.34/88,124.56
  6. Step 6: Final answer
    x = 74,096.43

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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.