Home / 56,196.49-77,547.66-30,697.69

Finding the Fourth Proportional to 56,196.49, 77,547.66 and 30,697.69

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Solution

The fourth proportional to 56,196.49, 77,547.66 and 30,697.69 is: 42,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,196.49 : 77,547.66 = 30,697.69 : x
  2. Step 2: Convert to fraction form
    56,196.49/77,547.66 = 30,697.69/x
  3. Step 3: Cross multiply
    56,196.49x = 77,547.66 × 30,697.69
  4. Step 4: Simplify right side
    56,196.49x = 2,380,534,026.91
  5. Step 5: Solve for x
    x = 2,380,534,026.91/56,196.49
  6. Step 6: Final answer
    x = 42,360.90

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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.