Home / 56,818.64-78,402.12-34,458.32

Finding the Fourth Proportional to 56,818.64, 78,402.12 and 34,458.32

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Solution

The fourth proportional to 56,818.64, 78,402.12 and 34,458.32 is: 47,547.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,818.64 : 78,402.12 = 34,458.32 : x
  2. Step 2: Convert to fraction form
    56,818.64/78,402.12 = 34,458.32/x
  3. Step 3: Cross multiply
    56,818.64x = 78,402.12 × 34,458.32
  4. Step 4: Simplify right side
    56,818.64x = 2,701,605,339.64
  5. Step 5: Solve for x
    x = 2,701,605,339.64/56,818.64
  6. Step 6: Final answer
    x = 47,547.87

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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.