Home / 66,497.02-91,752.51-42,307.58

Finding the Fourth Proportional to 66,497.02, 91,752.51 and 42,307.58

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Solution

The fourth proportional to 66,497.02, 91,752.51 and 42,307.58 is: 58,375.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,497.02 : 91,752.51 = 42,307.58 : x
  2. Step 2: Convert to fraction form
    66,497.02/91,752.51 = 42,307.58/x
  3. Step 3: Cross multiply
    66,497.02x = 91,752.51 × 42,307.58
  4. Step 4: Simplify right side
    66,497.02x = 3,881,827,045.06
  5. Step 5: Solve for x
    x = 3,881,827,045.06/66,497.02
  6. Step 6: Final answer
    x = 58,375.96

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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.