Home / 66,310.02-91,417.86-45,052.38

Finding the Fourth Proportional to 66,310.02, 91,417.86 and 45,052.38

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Solution

The fourth proportional to 66,310.02, 91,417.86 and 45,052.38 is: 62,111.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,310.02 : 91,417.86 = 45,052.38 : x
  2. Step 2: Convert to fraction form
    66,310.02/91,417.86 = 45,052.38/x
  3. Step 3: Cross multiply
    66,310.02x = 91,417.86 × 45,052.38
  4. Step 4: Simplify right side
    66,310.02x = 4,118,592,167.51
  5. Step 5: Solve for x
    x = 4,118,592,167.51/66,310.02
  6. Step 6: Final answer
    x = 62,111.16

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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.