Home / 75,637.32-113,507.02-56,931.18

Finding the Fourth Proportional to 75,637.32, 113,507.02 and 56,931.18

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Solution

The fourth proportional to 75,637.32, 113,507.02 and 56,931.18 is: 85,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,637.32 : 113,507.02 = 56,931.18 : x
  2. Step 2: Convert to fraction form
    75,637.32/113,507.02 = 56,931.18/x
  3. Step 3: Cross multiply
    75,637.32x = 113,507.02 × 56,931.18
  4. Step 4: Simplify right side
    75,637.32x = 6,462,088,586.88
  5. Step 5: Solve for x
    x = 6,462,088,586.88/75,637.32
  6. Step 6: Final answer
    x = 85,435.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.