Home / 56,228.76-77,595.70-31,078.26

Finding the Fourth Proportional to 56,228.76, 77,595.70 and 31,078.26

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Solution

The fourth proportional to 56,228.76, 77,595.70 and 31,078.26 is: 42,888.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,228.76 : 77,595.70 = 31,078.26 : x
  2. Step 2: Convert to fraction form
    56,228.76/77,595.70 = 31,078.26/x
  3. Step 3: Cross multiply
    56,228.76x = 77,595.70 × 31,078.26
  4. Step 4: Simplify right side
    56,228.76x = 2,411,539,339.48
  5. Step 5: Solve for x
    x = 2,411,539,339.48/56,228.76
  6. Step 6: Final answer
    x = 42,888.00

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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.