Home / 85,810.24-118,419.32-47,051.69

Finding the Fourth Proportional to 85,810.24, 118,419.32 and 47,051.69

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Solution

The fourth proportional to 85,810.24, 118,419.32 and 47,051.69 is: 64,931.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,810.24 : 118,419.32 = 47,051.69 : x
  2. Step 2: Convert to fraction form
    85,810.24/118,419.32 = 47,051.69/x
  3. Step 3: Cross multiply
    85,810.24x = 118,419.32 × 47,051.69
  4. Step 4: Simplify right side
    85,810.24x = 5,571,829,394.68
  5. Step 5: Solve for x
    x = 5,571,829,394.68/85,810.24
  6. Step 6: Final answer
    x = 64,931.99

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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.