Home / 86,901.98-130,402.28-46,920.44

Finding the Fourth Proportional to 86,901.98, 130,402.28 and 46,920.44

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Solution

The fourth proportional to 86,901.98, 130,402.28 and 46,920.44 is: 70,407.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,901.98 : 130,402.28 = 46,920.44 : x
  2. Step 2: Convert to fraction form
    86,901.98/130,402.28 = 46,920.44/x
  3. Step 3: Cross multiply
    86,901.98x = 130,402.28 × 46,920.44
  4. Step 4: Simplify right side
    86,901.98x = 6,118,532,354.60
  5. Step 5: Solve for x
    x = 6,118,532,354.60/86,901.98
  6. Step 6: Final answer
    x = 70,407.28

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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.