Home / 56,053.36-77,354.16-30,903.76

Finding the Fourth Proportional to 56,053.36, 77,354.16 and 30,903.76

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Solution

The fourth proportional to 56,053.36, 77,354.16 and 30,903.76 is: 42,647.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,053.36 : 77,354.16 = 30,903.76 : x
  2. Step 2: Convert to fraction form
    56,053.36/77,354.16 = 30,903.76/x
  3. Step 3: Cross multiply
    56,053.36x = 77,354.16 × 30,903.76
  4. Step 4: Simplify right side
    56,053.36x = 2,390,534,395.64
  5. Step 5: Solve for x
    x = 2,390,534,395.64/56,053.36
  6. Step 6: Final answer
    x = 42,647.48

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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.