Home / 56,886.02-78,455.46-42,714.26

Finding the Fourth Proportional to 56,886.02, 78,455.46 and 42,714.26

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Solution

The fourth proportional to 56,886.02, 78,455.46 and 42,714.26 is: 58,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,886.02 : 78,455.46 = 42,714.26 : x
  2. Step 2: Convert to fraction form
    56,886.02/78,455.46 = 42,714.26/x
  3. Step 3: Cross multiply
    56,886.02x = 78,455.46 × 42,714.26
  4. Step 4: Simplify right side
    56,886.02x = 3,351,166,916.86
  5. Step 5: Solve for x
    x = 3,351,166,916.86/56,886.02
  6. Step 6: Final answer
    x = 58,910.20

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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.