Home / 66,089.40-91,204.98-35,875.96

Finding the Fourth Proportional to 66,089.40, 91,204.98 and 35,875.96

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Solution

The fourth proportional to 66,089.40, 91,204.98 and 35,875.96 is: 49,509.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,089.40 : 91,204.98 = 35,875.96 : x
  2. Step 2: Convert to fraction form
    66,089.40/91,204.98 = 35,875.96/x
  3. Step 3: Cross multiply
    66,089.40x = 91,204.98 × 35,875.96
  4. Step 4: Simplify right side
    66,089.40x = 3,272,066,214.28
  5. Step 5: Solve for x
    x = 3,272,066,214.28/66,089.40
  6. Step 6: Final answer
    x = 49,509.70

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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.