Home / 93,136.53-128,539.34-52,307.35

Finding the Fourth Proportional to 93,136.53, 128,539.34 and 52,307.35

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Solution

The fourth proportional to 93,136.53, 128,539.34 and 52,307.35 is: 72,190.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,136.53 : 128,539.34 = 52,307.35 : x
  2. Step 2: Convert to fraction form
    93,136.53/128,539.34 = 52,307.35/x
  3. Step 3: Cross multiply
    93,136.53x = 128,539.34 × 52,307.35
  4. Step 4: Simplify right side
    93,136.53x = 6,723,552,246.15
  5. Step 5: Solve for x
    x = 6,723,552,246.15/93,136.53
  6. Step 6: Final answer
    x = 72,190.28

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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.