Home / 65,176.13-89,943.05-35,368.13

Finding the Fourth Proportional to 65,176.13, 89,943.05 and 35,368.13

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Solution

The fourth proportional to 65,176.13, 89,943.05 and 35,368.13 is: 48,808.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,176.13 : 89,943.05 = 35,368.13 : x
  2. Step 2: Convert to fraction form
    65,176.13/89,943.05 = 35,368.13/x
  3. Step 3: Cross multiply
    65,176.13x = 89,943.05 × 35,368.13
  4. Step 4: Simplify right side
    65,176.13x = 3,181,117,123.70
  5. Step 5: Solve for x
    x = 3,181,117,123.70/65,176.13
  6. Step 6: Final answer
    x = 48,808.01

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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.