Home / 56,307.19-77,698.63-38,120.92

Finding the Fourth Proportional to 56,307.19, 77,698.63 and 38,120.92

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Solution

The fourth proportional to 56,307.19, 77,698.63 and 38,120.92 is: 52,603.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,307.19 : 77,698.63 = 38,120.92 : x
  2. Step 2: Convert to fraction form
    56,307.19/77,698.63 = 38,120.92/x
  3. Step 3: Cross multiply
    56,307.19x = 77,698.63 × 38,120.92
  4. Step 4: Simplify right side
    56,307.19x = 2,961,943,258.34
  5. Step 5: Solve for x
    x = 2,961,943,258.34/56,307.19
  6. Step 6: Final answer
    x = 52,603.29

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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.