Home / 57,093.12-85,547.52-46,709.76

Finding the Fourth Proportional to 57,093.12, 85,547.52 and 46,709.76

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Solution

The fourth proportional to 57,093.12, 85,547.52 and 46,709.76 is: 69,989.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,093.12 : 85,547.52 = 46,709.76 : x
  2. Step 2: Convert to fraction form
    57,093.12/85,547.52 = 46,709.76/x
  3. Step 3: Cross multiply
    57,093.12x = 85,547.52 × 46,709.76
  4. Step 4: Simplify right side
    57,093.12x = 3,995,904,127.80
  5. Step 5: Solve for x
    x = 3,995,904,127.80/57,093.12
  6. Step 6: Final answer
    x = 69,989.24

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1.5x scale

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.