Home / 56,567.61-78,064.70-31,076.51

Finding the Fourth Proportional to 56,567.61, 78,064.70 and 31,076.51

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Solution

The fourth proportional to 56,567.61, 78,064.70 and 31,076.51 is: 42,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,567.61 : 78,064.70 = 31,076.51 : x
  2. Step 2: Convert to fraction form
    56,567.61/78,064.70 = 31,076.51/x
  3. Step 3: Cross multiply
    56,567.61x = 78,064.70 × 31,076.51
  4. Step 4: Simplify right side
    56,567.61x = 2,425,977,884.49
  5. Step 5: Solve for x
    x = 2,425,977,884.49/56,567.61
  6. Step 6: Final answer
    x = 42,886.34

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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.