Home / 66,340.64-91,547.02-36,125.84

Finding the Fourth Proportional to 66,340.64, 91,547.02 and 36,125.84

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Solution

The fourth proportional to 66,340.64, 91,547.02 and 36,125.84 is: 49,851.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,340.64 : 91,547.02 = 36,125.84 : x
  2. Step 2: Convert to fraction form
    66,340.64/91,547.02 = 36,125.84/x
  3. Step 3: Cross multiply
    66,340.64x = 91,547.02 × 36,125.84
  4. Step 4: Simplify right side
    66,340.64x = 3,307,212,997.00
  5. Step 5: Solve for x
    x = 3,307,212,997.00/66,340.64
  6. Step 6: Final answer
    x = 49,851.99

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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.