Home / 90,275.40-135,434.70-37,655.64

Finding the Fourth Proportional to 90,275.40, 135,434.70 and 37,655.64

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Solution

The fourth proportional to 90,275.40, 135,434.70 and 37,655.64 is: 56,492.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,275.40 : 135,434.70 = 37,655.64 : x
  2. Step 2: Convert to fraction form
    90,275.40/135,434.70 = 37,655.64/x
  3. Step 3: Cross multiply
    90,275.40x = 135,434.70 × 37,655.64
  4. Step 4: Simplify right side
    90,275.40x = 5,099,880,306.71
  5. Step 5: Solve for x
    x = 5,099,880,306.71/90,275.40
  6. Step 6: Final answer
    x = 56,492.47

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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.