Home / 112,434.48-168,676.02-42,313.59

Finding the Fourth Proportional to 112,434.48, 168,676.02 and 42,313.59

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Solution

The fourth proportional to 112,434.48, 168,676.02 and 42,313.59 is: 63,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,434.48 : 168,676.02 = 42,313.59 : x
  2. Step 2: Convert to fraction form
    112,434.48/168,676.02 = 42,313.59/x
  3. Step 3: Cross multiply
    112,434.48x = 168,676.02 × 42,313.59
  4. Step 4: Simplify right side
    112,434.48x = 7,137,287,953.11
  5. Step 5: Solve for x
    x = 7,137,287,953.11/112,434.48
  6. Step 6: Final answer
    x = 63,479.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.