Home / 66,445.68-99,557.53-46,688.86

Finding the Fourth Proportional to 66,445.68, 99,557.53 and 46,688.86

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Solution

The fourth proportional to 66,445.68, 99,557.53 and 46,688.86 is: 69,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445.68 : 99,557.53 = 46,688.86 : x
  2. Step 2: Convert to fraction form
    66,445.68/99,557.53 = 46,688.86/x
  3. Step 3: Cross multiply
    66,445.68x = 99,557.53 × 46,688.86
  4. Step 4: Simplify right side
    66,445.68x = 4,648,227,580.12
  5. Step 5: Solve for x
    x = 4,648,227,580.12/66,445.68
  6. Step 6: Final answer
    x = 69,955.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.