Home / 94,820.72-130,878.65-58,989.35

Finding the Fourth Proportional to 94,820.72, 130,878.65 and 58,989.35

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Solution

The fourth proportional to 94,820.72, 130,878.65 and 58,989.35 is: 81,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,820.72 : 130,878.65 = 58,989.35 : x
  2. Step 2: Convert to fraction form
    94,820.72/130,878.65 = 58,989.35/x
  3. Step 3: Cross multiply
    94,820.72x = 130,878.65 × 58,989.35
  4. Step 4: Simplify right side
    94,820.72x = 7,720,446,967.05
  5. Step 5: Solve for x
    x = 7,720,446,967.05/94,820.72
  6. Step 6: Final answer
    x = 81,421.52

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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.