Home / 98,915.04-136,459.44-59,148

Finding the Fourth Proportional to 98,915.04, 136,459.44 and 59,148

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Solution

The fourth proportional to 98,915.04, 136,459.44 and 59,148 is: 81,598.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,915.04 : 136,459.44 = 59,148 : x
  2. Step 2: Convert to fraction form
    98,915.04/136,459.44 = 59,148/x
  3. Step 3: Cross multiply
    98,915.04x = 136,459.44 × 59,148
  4. Step 4: Simplify right side
    98,915.04x = 8,071,302,957.12
  5. Step 5: Solve for x
    x = 8,071,302,957.12/98,915.04
  6. Step 6: Final answer
    x = 81,598.34

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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.