Home / 56,465.19-77,925.51-31,314.69

Finding the Fourth Proportional to 56,465.19, 77,925.51 and 31,314.69

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Solution

The fourth proportional to 56,465.19, 77,925.51 and 31,314.69 is: 43,216.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,465.19 : 77,925.51 = 31,314.69 : x
  2. Step 2: Convert to fraction form
    56,465.19/77,925.51 = 31,314.69/x
  3. Step 3: Cross multiply
    56,465.19x = 77,925.51 × 31,314.69
  4. Step 4: Simplify right side
    56,465.19x = 2,440,213,188.74
  5. Step 5: Solve for x
    x = 2,440,213,188.74/56,465.19
  6. Step 6: Final answer
    x = 43,216.24

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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.