Home / 98,945.34-136,461.83-64,927.36

Finding the Fourth Proportional to 98,945.34, 136,461.83 and 64,927.36

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Solution

The fourth proportional to 98,945.34, 136,461.83 and 64,927.36 is: 89,545.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,945.34 : 136,461.83 = 64,927.36 : x
  2. Step 2: Convert to fraction form
    98,945.34/136,461.83 = 64,927.36/x
  3. Step 3: Cross multiply
    98,945.34x = 136,461.83 × 64,927.36
  4. Step 4: Simplify right side
    98,945.34x = 8,860,106,573.83
  5. Step 5: Solve for x
    x = 8,860,106,573.83/98,945.34
  6. Step 6: Final answer
    x = 89,545.47

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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.