Home / 66,084.93-91,238.51-45,424.01

Finding the Fourth Proportional to 66,084.93, 91,238.51 and 45,424.01

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Solution

The fourth proportional to 66,084.93, 91,238.51 and 45,424.01 is: 62,713.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,084.93 : 91,238.51 = 45,424.01 : x
  2. Step 2: Convert to fraction form
    66,084.93/91,238.51 = 45,424.01/x
  3. Step 3: Cross multiply
    66,084.93x = 91,238.51 × 45,424.01
  4. Step 4: Simplify right side
    66,084.93x = 4,144,418,307.31
  5. Step 5: Solve for x
    x = 4,144,418,307.31/66,084.93
  6. Step 6: Final answer
    x = 62,713.52

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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.