Home / 66,073.48-91,184.16-37,779.16

Finding the Fourth Proportional to 66,073.48, 91,184.16 and 37,779.16

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Solution

The fourth proportional to 66,073.48, 91,184.16 and 37,779.16 is: 52,136.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,073.48 : 91,184.16 = 37,779.16 : x
  2. Step 2: Convert to fraction form
    66,073.48/91,184.16 = 37,779.16/x
  3. Step 3: Cross multiply
    66,073.48x = 91,184.16 × 37,779.16
  4. Step 4: Simplify right side
    66,073.48x = 3,444,860,970.11
  5. Step 5: Solve for x
    x = 3,444,860,970.11/66,073.48
  6. Step 6: Final answer
    x = 52,136.82

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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.