Home / 61,437.16-84,783.90-34,579.72

Finding the Fourth Proportional to 61,437.16, 84,783.90 and 34,579.72

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Solution

The fourth proportional to 61,437.16, 84,783.90 and 34,579.72 is: 47,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,437.16 : 84,783.90 = 34,579.72 : x
  2. Step 2: Convert to fraction form
    61,437.16/84,783.90 = 34,579.72/x
  3. Step 3: Cross multiply
    61,437.16x = 84,783.90 × 34,579.72
  4. Step 4: Simplify right side
    61,437.16x = 2,931,803,522.51
  5. Step 5: Solve for x
    x = 2,931,803,522.51/61,437.16
  6. Step 6: Final answer
    x = 47,720.36

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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.