Home / 57,307.77-79,085.03-31,814.51

Finding the Fourth Proportional to 57,307.77, 79,085.03 and 31,814.51

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Solution

The fourth proportional to 57,307.77, 79,085.03 and 31,814.51 is: 43,904.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,307.77 : 79,085.03 = 31,814.51 : x
  2. Step 2: Convert to fraction form
    57,307.77/79,085.03 = 31,814.51/x
  3. Step 3: Cross multiply
    57,307.77x = 79,085.03 × 31,814.51
  4. Step 4: Simplify right side
    57,307.77x = 2,516,050,923.29
  5. Step 5: Solve for x
    x = 2,516,050,923.29/57,307.77
  6. Step 6: Final answer
    x = 43,904.18

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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.