Home / 98,828.37-136,445.99-64,897.07

Finding the Fourth Proportional to 98,828.37, 136,445.99 and 64,897.07

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Solution

The fourth proportional to 98,828.37, 136,445.99 and 64,897.07 is: 89,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,828.37 : 136,445.99 = 64,897.07 : x
  2. Step 2: Convert to fraction form
    98,828.37/136,445.99 = 64,897.07/x
  3. Step 3: Cross multiply
    98,828.37x = 136,445.99 × 64,897.07
  4. Step 4: Simplify right side
    98,828.37x = 8,854,943,957.53
  5. Step 5: Solve for x
    x = 8,854,943,957.53/98,828.37
  6. Step 6: Final answer
    x = 89,599.21

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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.