Home / 69,804.16-96,307.98-39,587.11

Finding the Fourth Proportional to 69,804.16, 96,307.98 and 39,587.11

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Solution

The fourth proportional to 69,804.16, 96,307.98 and 39,587.11 is: 54,617.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,804.16 : 96,307.98 = 39,587.11 : x
  2. Step 2: Convert to fraction form
    69,804.16/96,307.98 = 39,587.11/x
  3. Step 3: Cross multiply
    69,804.16x = 96,307.98 × 39,587.11
  4. Step 4: Simplify right side
    69,804.16x = 3,812,554,598.14
  5. Step 5: Solve for x
    x = 3,812,554,598.14/69,804.16
  6. Step 6: Final answer
    x = 54,617.87

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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.